84840042

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2020001}}^1$

素因数の和:2020013

約数の個数: 16

約数和(自身を含む): 193920192

約数和(自身を除く): 109080150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2020001, 4040002, 6060003, 12120006, 14140007, 28280014, 42420021, 84840042]

約数ペア:

[(1, 84840042), (2, 42420021), (3, 28280014), (6, 14140007), (7, 12120006), (14, 6060003), (21, 4040002), (42, 2020001)]